| // Copyright 2017 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef UI_BASE_UI_BASE_FEATURES_H_ |
| #define UI_BASE_UI_BASE_FEATURES_H_ |
| |
| #include "base/component_export.h" |
| #include "base/feature_list.h" |
| #include "base/metrics/field_trial_params.h" |
| #include "build/build_config.h" |
| #include "build/chromeos_buildflags.h" |
| #include "ui/base/buildflags.h" |
| |
| namespace features { |
| |
| // Keep sorted! |
| |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| BASE_DECLARE_FEATURE(kExperimentalFlingAnimation); |
| COMPONENT_EXPORT(UI_BASE_FEATURES) BASE_DECLARE_FEATURE(kFocusFollowsCursor); |
| #if BUILDFLAG(IS_CHROMEOS_ASH) |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| BASE_DECLARE_FEATURE(kSettingsShowsPerKeyboardSettings); |
| #endif // BUILDFLAG(IS_CHROMEOS_ASH) |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| BASE_DECLARE_FEATURE(kInputMethodSettingsUiUpdate); |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| BASE_DECLARE_FEATURE(kWindowsScrollingPersonality); |
| COMPONENT_EXPORT(UI_BASE_FEATURES) bool IsPercentBasedScrollingEnabled(); |
| COMPONENT_EXPORT(UI_BASE_FEATURES) BASE_DECLARE_FEATURE(kSystemCaptionStyle); |
| COMPONENT_EXPORT(UI_BASE_FEATURES) BASE_DECLARE_FEATURE(kSystemKeyboardLock); |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| BASE_DECLARE_FEATURE(kUiCompositorScrollWithLayers); |
| |
| COMPONENT_EXPORT(UI_BASE_FEATURES) bool IsUiGpuRasterizationEnabled(); |
| |
| #if BUILDFLAG(IS_WIN) || BUILDFLAG(IS_ANDROID) |
| COMPONENT_EXPORT(UI_BASE_FEATURES) BASE_DECLARE_FEATURE(kElasticOverscroll); |
| #endif // BUILDFLAG(IS_WIN) || BUILDFLAG(IS_ANDROID) |
| |
| #if BUILDFLAG(IS_WIN) |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| BASE_DECLARE_FEATURE(kApplyNativeOccludedRegionToWindowTracker); |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| BASE_DECLARE_FEATURE(kCalculateNativeWinOcclusion); |
| COMPONENT_EXPORT(UI_BASE_FEATURES) BASE_DECLARE_FEATURE(kPointerEventsForTouch); |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| BASE_DECLARE_FEATURE(kScreenPowerListenerForNativeWinOcclusion); |
| |
| // Returns true if the system should use WM_POINTER events for touch events. |
| COMPONENT_EXPORT(UI_BASE_FEATURES) bool IsUsingWMPointerForTouch(); |
| #endif // BUILDFLAG(IS_WIN) |
| |
| #if BUILDFLAG(IS_WIN) || BUILDFLAG(IS_CHROMEOS_LACROS) |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| BASE_DECLARE_FEATURE(kApplyNativeOcclusionToCompositor); |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| BASE_DECLARE_FEATURE(kAlwaysTrackNativeWindowOcclusionForTest); |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| extern const base::FeatureParam<std::string> |
| kApplyNativeOcclusionToCompositorType; |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| extern const char kApplyNativeOcclusionToCompositorTypeRelease[]; |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| extern const char kApplyNativeOcclusionToCompositorTypeThrottle[]; |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| extern const char kApplyNativeOcclusionToCompositorTypeThrottleAndRelease[]; |
| #endif // BUILDFLAG(IS_WIN) || BUILDFLAG(IS_CHROMEOS_LACROS) |
| |
| #if BUILDFLAG(IS_CHROMEOS) |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| BASE_DECLARE_FEATURE(kImprovedKeyboardShortcuts); |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| bool IsImprovedKeyboardShortcutsEnabled(); |
| #endif // BUILDFLAG(IS_CHROMEOS) |
| |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| BASE_DECLARE_FEATURE(kTouchTextEditingRedesign); |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| bool IsTouchTextEditingRedesignEnabled(); |
| |
| // Used to enable forced colors mode for web content. |
| COMPONENT_EXPORT(UI_BASE_FEATURES) BASE_DECLARE_FEATURE(kForcedColors); |
| COMPONENT_EXPORT(UI_BASE_FEATURES) bool IsForcedColorsEnabled(); |
| |
| // Used to enable the eye-dropper in the refresh color-picker. |
| COMPONENT_EXPORT(UI_BASE_FEATURES) BASE_DECLARE_FEATURE(kEyeDropper); |
| // TODO(https://crbug.com/329678163): This flag should be removed. |
| COMPONENT_EXPORT(UI_BASE_FEATURES) extern const char kEyeDropperNotSupported[]; |
| COMPONENT_EXPORT(UI_BASE_FEATURES) bool IsEyeDropperEnabled(); |
| |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| BASE_DECLARE_FEATURE(kSystemCursorSizeSupported); |
| COMPONENT_EXPORT(UI_BASE_FEATURES) bool IsSystemCursorSizeSupported(); |
| |
| // Used to enable keyboard accessible tooltips in in-page content |
| // (i.e., inside Blink). See |
| // ::views::features::kKeyboardAccessibleTooltipInViews for |
| // keyboard-accessible tooltips in Views UI. |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| BASE_DECLARE_FEATURE(kKeyboardAccessibleTooltip); |
| COMPONENT_EXPORT(UI_BASE_FEATURES) bool IsKeyboardAccessibleTooltipEnabled(); |
| |
| // Used to enable gesture changes for notifications. |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| BASE_DECLARE_FEATURE(kNotificationGesturesUpdate); |
| COMPONENT_EXPORT(UI_BASE_FEATURES) bool IsNotificationGesturesUpdateEnabled(); |
| |
| #if BUILDFLAG(IS_CHROMEOS_ASH) |
| COMPONENT_EXPORT(UI_BASE_FEATURES) BASE_DECLARE_FEATURE(kDeprecateAltClick); |
| |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| bool IsDeprecateAltClickEnabled(); |
| |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| BASE_DECLARE_FEATURE(kNotificationsIgnoreRequireInteraction); |
| |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| bool IsNotificationsIgnoreRequireInteractionEnabled(); |
| |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| BASE_DECLARE_FEATURE(kShortcutCustomization); |
| |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| bool IsShortcutCustomizationEnabled(); |
| |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| BASE_DECLARE_FEATURE(kLacrosResourcesFileSharing); |
| |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| BASE_DECLARE_FEATURE(kSupportF11AndF12KeyShortcuts); |
| |
| COMPONENT_EXPORT(UI_BASE_FEATURES) bool AreF11AndF12ShortcutsEnabled(); |
| #endif // BUILDFLAG(IS_CHROMEOS_ASH) |
| |
| #if BUILDFLAG(IS_OZONE) |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| BASE_DECLARE_FEATURE(kOzoneBubblesUsePlatformWidgets); |
| #endif // BUILDFLAG(IS_OZONE) |
| |
| // Indicates whether DrmOverlayManager should used the synchronous API to |
| // perform pageflip tests. |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| BASE_DECLARE_FEATURE(kSynchronousPageFlipTesting); |
| |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| bool IsSynchronousPageFlipTestingEnabled(); |
| |
| // The type of predictor to use for the resampling events. These values are |
| // used as the 'predictor' feature param for |
| // |blink::features::kResamplingScrollEvents|. |
| COMPONENT_EXPORT(UI_BASE_FEATURES) extern const char kPredictorNameLsq[]; |
| COMPONENT_EXPORT(UI_BASE_FEATURES) extern const char kPredictorNameKalman[]; |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| extern const char kPredictorNameLinearFirst[]; |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| extern const char kPredictorNameLinearSecond[]; |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| extern const char kPredictorNameLinearResampling[]; |
| COMPONENT_EXPORT(UI_BASE_FEATURES) extern const char kPredictorNameEmpty[]; |
| |
| // Enables resampling of scroll events using an experimental latency of +3.3ms |
| // instead of the original -5ms. |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| BASE_DECLARE_FEATURE(kResamplingScrollEventsExperimentalPrediction); |
| |
| // The type of prediction used. TimeBased uses a fixed timing, FramesBased uses |
| // a ratio of the vsync refresh rate. The timing/ratio can be changed on the |
| // command line through a `latency` param. |
| COMPONENT_EXPORT(UI_BASE_FEATURES) extern const char kPredictionTypeTimeBased[]; |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| extern const char kPredictionTypeFramesBased[]; |
| // The default values for `latency` |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| extern const char kPredictionTypeDefaultTime[]; |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| extern const char kPredictionTypeDefaultFramesRatio[]; |
| |
| // The type of filter to use for filtering events. These values are used as the |
| // 'filter' feature param for |blink::features::kFilteringScrollPrediction|. |
| COMPONENT_EXPORT(UI_BASE_FEATURES) extern const char kFilterNameEmpty[]; |
| COMPONENT_EXPORT(UI_BASE_FEATURES) extern const char kFilterNameOneEuro[]; |
| |
| // Android only feature, for swipe to move cursor. |
| COMPONENT_EXPORT(UI_BASE_FEATURES) BASE_DECLARE_FEATURE(kSwipeToMoveCursor); |
| |
| // Enables UI debugging tools such as shortcuts. |
| COMPONENT_EXPORT(UI_BASE_FEATURES) BASE_DECLARE_FEATURE(kUIDebugTools); |
| |
| COMPONENT_EXPORT(UI_BASE_FEATURES) bool IsSwipeToMoveCursorEnabled(); |
| |
| // Enables Raw Draw. |
| COMPONENT_EXPORT(UI_BASE_FEATURES) BASE_DECLARE_FEATURE(kRawDraw); |
| COMPONENT_EXPORT(UI_BASE_FEATURES) bool IsUsingRawDraw(); |
| COMPONENT_EXPORT(UI_BASE_FEATURES) double RawDrawTileSizeFactor(); |
| COMPONENT_EXPORT(UI_BASE_FEATURES) bool IsRawDrawUsingMSAA(); |
| |
| COMPONENT_EXPORT(UI_BASE_FEATURES) BASE_DECLARE_FEATURE(kStylusSpecificTapSlop); |
| |
| // This feature indicates that this device is approved for utilizing variable |
| // refresh rates. This flag is added by cros-config and not exposed in the |
| // chrome://flags UI. |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| BASE_DECLARE_FEATURE(kVariableRefreshRateAvailable); |
| // Enables the variable refresh rate feature for Borealis gaming only. If this |
| // flag is set by Finch, it requires the availability flag to also be true. If |
| // this flag is overridden by the user, then the availability flag is ignored. |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| BASE_DECLARE_FEATURE(kEnableVariableRefreshRate); |
| // This feature indicates that this device should have variable refresh rates |
| // enabled by default if available. This overrides the default value of |
| // |kEnableVariableRefreshRate|. This flag is added by USE and not exposed in |
| // the chrome://flags UI. |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| BASE_DECLARE_FEATURE(kVariableRefreshRateDefaultEnabled); |
| COMPONENT_EXPORT(UI_BASE_FEATURES) bool IsVariableRefreshRateEnabled(); |
| // Enables the variable refresh rate feature at all times. |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| BASE_DECLARE_FEATURE(kEnableVariableRefreshRateAlwaysOn); |
| COMPONENT_EXPORT(UI_BASE_FEATURES) bool IsVariableRefreshRateAlwaysOn(); |
| |
| COMPONENT_EXPORT(UI_BASE_FEATURES) BASE_DECLARE_FEATURE(kLacrosColorManagement); |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| bool IsLacrosColorManagementEnabled(); |
| |
| // If enabled, Customize Chrome will be an option in the Unified Side Panel |
| // when on the New Tab Page. |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| BASE_DECLARE_FEATURE(kCustomizeChromeSidePanel); |
| |
| // If both kCustomizeChromeSidePanelNoChromeRefresh2023 and |
| // kCustomizeChromeSidePanel are enabled, Customize Chrome will be an option in |
| // the Unified Side Panel when on the New Tab Page but Chrome Refresh 2023 will |
| // be disabled. This state is useful in the Customize Chrome holdback |
| // experiment. |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| BASE_DECLARE_FEATURE(kCustomizeChromeSidePanelNoChromeRefresh2023); |
| |
| // Returns true if Customize Chrome is configured such that it supports Chrome |
| // Refresh 2023. |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| bool CustomizeChromeSupportsChromeRefresh2023(); |
| |
| // Exposed for testing and flags integration. For actual checks please use |
| // IsChromeRefresh2023(). |
| COMPONENT_EXPORT(UI_BASE_FEATURES) BASE_DECLARE_FEATURE(kChromeRefresh2023); |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| BASE_DECLARE_FEATURE(kChromeRefreshSecondary2023); |
| |
| enum class ChromeRefresh2023NTBVariation { |
| kGM2Full = 0, |
| kGM3OldIconNoBackground = 1, |
| kGM3OldIconWithBackground = 2, |
| kGM3NewIconNoBackground = 3, |
| kGM3NewIconWithBackground = 4, |
| kNoChoice = 5, |
| }; |
| COMPONENT_EXPORT(UI_BASE_FEATURES) BASE_DECLARE_FEATURE(kChromeRefresh2023NTB); |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| extern const char kChromeRefresh2023NTBVariationKey[]; |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| ChromeRefresh2023NTBVariation GetChromeRefresh2023NTB(); |
| |
| COMPONENT_EXPORT(UI_BASE_FEATURES) bool IsChromeRefresh2023(); |
| |
| // Exposed for testing and flags integration. For actual checks please use |
| // IsChromeWebuiRefresh2023(). |
| COMPONENT_EXPORT(UI_BASE_FEATURES) BASE_DECLARE_FEATURE(kChromeRefresh2023); |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| BASE_DECLARE_FEATURE(kChromeWebuiRefresh2023); |
| |
| COMPONENT_EXPORT(UI_BASE_FEATURES) bool IsChromeWebuiRefresh2023(); |
| |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| BASE_DECLARE_FEATURE(kBubbleMetricsApi); |
| |
| #if BUILDFLAG(IS_APPLE) |
| // Font Smoothing, a CoreText technique, simulates optical sizes to enhance text |
| // readability at smaller scales. In practice, it leads to an increased |
| // perception of text weight, creating discrepancies between renderings in UX |
| // design tools and actual macOS displays. This feature is only effective when |
| // ChromeRefresh2023 is enabled. |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| BASE_DECLARE_FEATURE(kCr2023MacFontSmoothing); |
| #endif // BUILDFLAG(IS_APPLE) |
| |
| #if BUILDFLAG(IS_WIN) |
| // Use font settings for contrast and gamma as specified in system settings. |
| // If not set, these values fall back to the pre-defined Skia defaults. |
| COMPONENT_EXPORT(UI_BASE_FEATURES) |
| BASE_DECLARE_FEATURE(kUseGammaContrastRegistrySettings); |
| #endif // BUILDFLAG(IS_WIN) |
| |
| } // namespace features |
| |
| #endif // UI_BASE_UI_BASE_FEATURES_H_ |
